arm: kirkwood: Remove <common.h> and add needed includes

Remove <common.h> from all mach-kirkwood files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-kirkwood/cache.c b/arch/arm/mach-kirkwood/cache.c
index 009b7de..acd2e8b 100644
--- a/arch/arm/mach-kirkwood/cache.c
+++ b/arch/arm/mach-kirkwood/cache.c
@@ -3,7 +3,6 @@
  * Copyright (c) 2012 Michael Walle
  * Michael Walle <michael@walle.cc>
  */
-#include <common.h>
 #include <asm/arch/cpu.h>
 #include <asm/cache.h>
 
diff --git a/arch/arm/mach-kirkwood/cpu.c b/arch/arm/mach-kirkwood/cpu.c
index 2b493b3..a432abe 100644
--- a/arch/arm/mach-kirkwood/cpu.c
+++ b/arch/arm/mach-kirkwood/cpu.c
@@ -5,7 +5,6 @@
  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
  */
 
-#include <common.h>
 #include <command.h>
 #include <cpu_func.h>
 #include <env.h>
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index 4fdad99..7938820 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -9,7 +9,6 @@
  * warranty of any kind, whether express or implied.
  */
 
-#include <common.h>
 #include <log.h>
 #include <asm/io.h>
 #include <asm/arch/cpu.h>